Lightwave AcquisitionLWACU
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 28 institutions reported holding Lightwave Acquisition Corp. (LWACU) in their 13F filings, down 38 from Q2 2025. 2 opened new positions and 11 sold out. The largest holders were Magnetar Financial LLC ($10.3M), LMR Partners LLP ($9.0M) and Alberta Investment Management Corp ($7.5M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Lightwave Acquisition Corp.
- CUSIP
- G5490M118
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $1.1M |
| Exits | 11 | $16.2M |
All 13F filers, Q2 2025 → Q3 2025: 693,064 shares bought and 2,301,042 shares sold, net −1,607,978 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 28 holders
| Magnetar Financial LLC | 0.07% | No change | 1,022,800 | $10.3M |
| LMR Partners LLP | 0.17% | No change | 900,000 | $9.0M |
| Alberta Investment Management Corp | 0.06% | No change | 750,000 | $7.5M |
| Westchester Capital Management, LLC | 0.30% | Add +62.8% | 569,872 | $5.7M |
| Millennium Management | 0.00% | Reduce -15.4% | 550,000 | $5.5M |
| Periscope Capital Inc. | 1.02% | Add +23.7% | 400,000 | $4.0M |
| OMERS ADMINISTRATION Corp | 0.03% | Add +275.0% | 375,000 | $3.8M |
| Polar Asset Management Partners Inc. | 0.11% | No change | 357,500 | $3.6M |
| Citadel Advisors | 0.00% | Reduce -0.3% | 333,547 | $3.3M |
| Clear Street Group Inc. | 0.01% | — | 298,666 | $3.0M |
| MMCAP International Inc. SPC | 0.30% | No change | 250,000 | $2.5M |
| HGC Investment Management Inc. | 0.61% | No change | 245,500 | $2.5M |
| Mint Tower Capital Management B.V. | 0.49% | No change | 200,000 | $2.0M |
| Bulldog Investors, LLP | 0.38% | Reduce -20.6% | 160,956 | $1.6M |
| K2 Principal Fund, L.P. | 0.52% | Reduce -3.8% | 144,300 | $1.5M |
| Calamos Advisors LLC | 0.01% | No change | 123,208 | $1.2M |
| DLD Asset Management, LP | 0.42% | No change | 100,000 | $1.0M |
| Nexpoint Asset Management, L.P. | 0.09% | New | 100,000 | $1.0M |
| JPMorgan Chase & Co. | 0.00% | Add +0.1% | 100,000 | $1.0M |
| Steadfast Capital Management LP | 0.01% | No change | 75,000 | $754K |
| BCK Capital Management LP | 0.74% | Add +31.2% | 68,875 | $692K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -83.3% | 50,015 | $503K |
| Quarry LP | 0.13% | No change | 50,000 | $503K |
| Heights Capital Management, Inc. | 0.17% | No change | 50,000 | $502K |
| HRT Financial LP | 0.00% | No change | 25,000 | $250K |
| PenderFund Capital Management Ltd. | 0.04% | No change | 10,000 | $100K |
| Toronto Dominion Bank | 0.00% | New | 5,000 | $50K |
| Glazer Capital, LLC | 0.00% | Reduce -99.8% | 582 | $6K |
"% of holder's portfolio" is LWACU's weight in each manager's 13F, not the share of Lightwave Acquisition Corp. the manager owns.